#include <ctime>
#include <iostream>
#include <fstream>

using namespace std;

void bubbleSort (int list[], int listLength){
    while (listLength--)      {
        bool swapped = false;

        for (int i = 0; i < listLength; i++) {
            if (list[i] > list[i + 1]) {
                swap (list[i], list[i + 1]);
                swapped = true;}}


                if (swapped == false) break;
 }}

void read_from_file (const char *filename, int a[],int length) {
    ifstream file (filename);

    for (int i=0; i < length; i++)
    file >> a[i];

}
int main ()

{
    #define LEN 5000
    int a[LEN];

    read_from_file ("m1_sorted.txt", a, LEN) ;
    unsigned int t_start = clock ();
    bubbleSort (a, LEN) ;
    unsigned int t_finish = clock();
    unsigned int t_work = t_finish - t_start;
    cout<<"m1_sorted " << t_work << " milliseconds \n";

    read_from_file("m2_reverse.txt",a,LEN);
    t_start =clock ();
    bubbleSort (a, LEN) ;
    t_finish = clock ();
    t_work = t_finish - t_start;
    cout<<"m2_reverse "<< t_work << " milliseconds \n";

    read_from_file("m3_shuffle.txt", a, LEN);
    t_start = clock ();
    bubbleSort (a, LEN) ;
    t_finish = clock ();
    t_work = t_finish - t_start;
    cout<<"m3_shuffle"<< t_work << " milliseconds  \n";
    return 0;}
